2023

• Tronvoll, Sigmund Arntsønn. (2023) Nei, vi må ikke fly mer. NRK.no
  Reader opinion piece
• Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. (2023) Towards Control of Springback Variability in Novel Flexible Stretch Forming of Aluminium Extrusions. Springer Nature Springer Nature
  Academic anthology/Conference proceedings
• Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. (2023) Prediction and analysis of real-time forces in novel 3D flexible rotary stretch forming of complex profiles. CIRP - Journal of Manufacturing Science and Technology
  Academic article
• Tronvoll, Sigmund Arntsønn; Treffen, Helena; Ma, Jun; Welo, Torgeir. (2023) Low-cost tooling concept for customized tube bending by the use of additive manufacturing. Materials Research Proceedings (MRP)
  Academic article
• Williams, William Matthew; Sandnes, Lise; Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. (2023) Yield stress and work hardening behavior of extruded AA6082 profiles under different homogenization and extrusion conditions. Materials Research Proceedings (MRP)
  Academic article

2022

• Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir; Ringen, Geir. (2022) On Dimensional Control in Rotary Stretch Bending of Aluminum Profiles: Loading-Path Effects. Manufacturing Letters
  Academic article
• Tronvoll, Sigmund Arntsønn; Ma, Jun; Welo, Torgeir. (2022) Deformation behavior in tube bending: a comparative study of compression bending and rotary draw bending. The International Journal of Advanced Manufacturing Technology
  Academic article
• Tronvoll, Sigmund Arntsønn; Blindheim, Jørgen; Ma, Jun; Welo, Torgeir. (2022) A new, flexible tool concept for rotary die stretch bending. Manufacturing Letters
  Academic article
• He, Xu; Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. (2022) In-Process Monitoring of Springback in Industrial Bending Using a Laser Sensor-Based Method. Key Engineering Materials
  Academic article

2021

• Zhou, Xianyan; Welo, Torgeir; Ma, Jun; Tronvoll, Sigmund A.. (2021) Deformation characteristics in a stretch-based dimensional correction method for open, thin-walled extrusions. Metals
  Academic article

2019

• Tronvoll, Sigmund Arntsønn; Vedvik, Nils Petter; Elverum, Christer Westum; Welo, Torgeir. (2019) A new method for assessing anisotropy in fused deposition modeled parts using computed tomography data. The International Journal of Advanced Manufacturing Technology
  Academic article
• Tronvoll, Sigmund Arntsønn; Popp, Sebastian; Elverum, Christer Westum; Welo, Torgeir. (2019) Investigating pressure advance algorithms for filament-based melt extrusion additive manufacturing: theory, practice and simulations. Rapid prototyping journal
  Academic article

2018

• Tronvoll, Sigmund Arntsønn; Elverum, Christer Westum; Welo, Torgeir. (2018) Dimensional accuracy of threads manufactured by fused deposition modeling. Procedia Manufacturing
  Academic article
• Tronvoll, Sigmund Arntsønn; Welo, Torgeir; Elverum, Christer Westum. (2018) The effects of voids on structural properties of fused deposition modelled parts: a probabilistic approach. The International Journal of Advanced Manufacturing Technology
  Academic article

2017

• Tronvoll, Sigmund Arntsønn; Elverum, Christer Westum; Welo, Torgeir. (2017) Prototype Experiments: Strategies and Trade-offs. Procedia CIRP
  Academic article

2016

• Elverum, Christer Westum; Welo, Torgeir; Tronvoll, Sigmund Arntsønn. (2016) Prototyping in new product development: Strategy considerations. Procedia CIRP
  Academic article
• Tronvoll, Sigmund Arntsønn; Elverum, Christer Westum; Welo, Torgeir. (2016) Test Environments in Engineering Design: A conceptual study. The Design Society
  Academic chapter/article/Conference paper